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- Forward needle valve positions for easy access. 针形阀位置提前,便于接近。
- The control system of the smart hydraulic valve positioner is introduced based on ARM microcontroller. 介绍了一种基于ARM的智能液压阀门定位器控制系统的基本组成、系统结构、硬件设计、软件流程以及控制策略。
- They may be fitted with signal feedback device and electropneumatic valve positioner. 可选配反馈信号装置及电气阀门定位器。
- For most intelligent valve positioner, the initialization process is basically very simple. 对大多数智能阀门定位器来说，初始化过程基本上非常简单。
- They may be fitted with signal feedback deviceelectropneumatic valve positioner. 可选配反馈信号装置及电气阀门定位器。
- Intelligent Valve Positioner The control precision high, can achieve precise control valve, thereby enhancing the level of control system. 智能阀门定位器的控制精度很高，可以实现调节阀的精确控制，从而提高系统的控制水平。
- The YVP110 Advanced Valve Positioner is a digital valve control device that controls valve pneumatic actuators in response to commands from a fieldbus control system. 该yvp110先进的阀门定位器是一个数字阀控制装置的控制阀气动执行机构在回应命令从一个现场总线控制系统。
- An internally mounted, solid state positioner board accurately controls valve position from open to close. 内部安装的固体状态定位器主板能够精确控制阀门从开启到关闭的各种位置。
- This paper presents a smart valve positioner based on the HART protocol and the design of its hardware and software as well as the implementation of the HART communication for the positioner. 介绍了基于HART协议的二线制智能阀门定位器系统硬件、软件设计及HART通信,并重点讨论实现系统的低功耗设计措施。
- Positioner - Attachment for either electric or Pneumatic actuators which provides automatic modulating control of the valve position from open to closed. 定位器-可附加在电动或气动执行器，对阀门位置从开启到关闭进行自动调节控制。
- The output signal of the turbine host controls was delivered to DEH for adjusting valve position. 汽机主控输出信号送DEH,控制调门开度。
- This all-plastic kit, permanently mounted on a valve, may be locked in the on or off valve position. 这种全塑料组件永久性安装在阀门上，可能被锁定在阀门开启或关闭的位置上。
- Dome style beacon with high visibility green/red indicator for improved viewing of valve position. 拱形灯塔式高可视性绿/红指示器改善了阀门位置的观察效果。
- The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting. 主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
- Reel and release drill line， change direction of changing valve position can be changed the direction of motion. 收绳和放绳，改变手动换向阀的位置即可改变运转方向。
- The swing check valve can also be mounted to the vertical position, provided the disc should not reach the valve position. 旋转式止回阀也可以安装在垂直位置，此时阀瓣应该无法达到阀门的位置。
- Maintaining the original technics of ethanol rectification tower,a valve position controller(VPC)is added to the system. 乙醇精馏塔的浮压控制方法是一种新的节能控制方法,在保持原有工艺不变的情况下,增加一个具有纯积分作用的阀位控制器(VPC)。
- intelligence electrical valve positioner 智能阀门定位器
- Have you turned off the water valve? 你关掉水阀了吗？
- intelligent electric valve positioner 智能电气阀门定位器
